test: reproduce #599 in test

Author: maurei

test/JsonApiDotNetCoreExampleTests/Acceptance/Spec/FetchingDataTests.cs

@@ -1,4 +1,5 @@
-using System.Net;
+using System.Linq;
+using System.Net;
 using System.Net.Http;
 using System.Threading.Tasks;
 using Bogus;
@@ -96,5 +97,31 @@ public async Task Included_Records_Contain_Relationship_Links()
             Assert.Equal($"http://localhost/api/v1/people/{person.Id}/relationships/todo-items", deserializedBody.Included[0].Relationships["todo-items"].Links.Self);
             context.Dispose();
         }
+
+        [Fact]
+        public async Task GetResources_NoDefaultPageSize_ReturnsResources()
+        {
+            // Arrange
+            var context = _fixture.GetService<AppDbContext>();
+            var todoItems = _todoItemFaker.Generate(20).ToList();
+            context.TodoItems.AddRange(todoItems);
+            await context.SaveChangesAsync();
+
+            var builder = new WebHostBuilder()
+                .UseStartup<NoDefaultPageSizeStartup>();
+            var httpMethod = new HttpMethod("GET");
+            var route = $"/api/v1/todo-items";
+            var server = new TestServer(builder);
+            var client = server.CreateClient();
+            var request = new HttpRequestMessage(httpMethod, route);
+
+            // Act
+            var response = await client.SendAsync(request);
+            var body = await response.Content.ReadAsStringAsync();
+            var result = _fixture.GetDeserializer().DeserializeList<TodoItem>(body);
+
+            // Assert
+            Assert.True(result.Data.Count >= 20);
+        }
     }
 }